Create customer

POST/api/v1/customers

Create a new customer record for the business.

Operation ID: create_customer_api_v1_customers_post·View as markdown·OpenAPI slice

Authentication

Bearer token authentication. Pass your DayZero API token in the Authorization header and the target business UUID in x-business-id.

Request body

Schema: CustomerCreateRequest

namestringrequired: Customer name (person or company).
emailstring · emailrequired: Customer email for invoices and communications.
addressstring: Customer billing/shipping address.
phonestring: Customer phone number.
tax_idstring: Tax identification number (EIN, VAT, etc.).
websitestring: Customer website URL.
notesstring: Internal notes about this customer.
credit_limit_centsinteger: Credit limit in cents (e.g., 100000 = $1,000.00).
default_payment_term_idstring: Default payment term ID for new invoices.
statusCounterpartyStatusCounterpartyStatus: Customer status (active, inactive, blocked).
categorystring: Business category (e.g., 'Retail', 'Wholesale').
invoice_footerstring: Custom invoice footer/payment instructions for this customer. Overrides business default.

Responses

201Successful Response

Schema: SuccessEnvelope_CustomerResponse_

successboolean
messagestring
codestring
dataCustomerResponse

400Bad Request - Invalid input

401Unauthorized - Authentication required

403Forbidden - Insufficient permissions

422Validation Error

Schema: HTTPValidationError

detailarray · ValidationErrorValidationError

5 fields

locarray · string | integerrequired
msgstringrequired
typestringrequired
inputobject
ctxobject

Code samples

POST/api/v1/customers

bash

curl -X POST 'https://api.ondayzero.com/api/v1/customers' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "string",
  "email": "string"
}'